18505980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{102811}}^1$

素因数の和:102826

約数の個数: 36

約数和(自身を含む): 56135352

約数和(自身を除く): 37629372

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 102811, 205622, 308433, 411244, 514055, 616866, 925299, 1028110, 1233732, 1542165, 1850598, 2056220, 3084330, 3701196, 4626495, 6168660, 9252990, 18505980]

約数ペア:

[(1, 18505980), (2, 9252990), (3, 6168660), (4, 4626495), (5, 3701196), (6, 3084330), (9, 2056220), (10, 1850598), (12, 1542165), (15, 1233732), (18, 1028110), (20, 925299), (30, 616866), (36, 514055), (45, 411244), (60, 308433), (90, 205622), (180, 102811)]